.. _sphx_glr_gallery_lines_and_polygons:

.. _lines_and_polygons:

Lines and polygons
==================



.. raw:: html

    <div class="sphx-glr-thumbnails">


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This example demonstrates how a custom shape geometry may be used instead of the projection&#x27;s d...">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_always_circular_stereo_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_always_circular_stereo.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Custom Boundary Shape</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This example manually instantiates a cartopy.feature.NaturalEarthFeature to access administrati...">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_feature_creation_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_feature_creation.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Feature Creation</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="A demonstration of some of the built-in Natural Earth features found in cartopy.">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_features_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_features.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Features</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="An example of a simple map that compares Geodetic and Plate Carree lines between two locations.">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_global_map_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_global_map.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Global Map</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This example uses the power of Shapely to illustrate states that are likely to have been signif...">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_hurricane_katrina_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_hurricane_katrina.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Hurricane Katrina</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Draws a polygon where there is no sunlight for the given datetime.">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_nightshade_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_nightshade.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Nightshade feature</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Produces a map of ocean seafloor depth, demonstrating the cartopy.io.shapereader.Reader interfa...">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_ocean_bathymetry_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_ocean_bathymetry.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Ocean bathymetry</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="A demonstration of the way a box is warped when it is defined in a rotated pole coordinate syst...">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_rotated_pole_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_rotated_pole.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Rotated pole boxes</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="This example demonstrates the effect of referencing your data to an incorrect ellipse.">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_effects_of_the_ellipse_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_effects_of_the_ellipse.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">The effect of badly referencing an ellipse</div>
    </div>


.. raw:: html

    <div class="sphx-glr-thumbcontainer" tooltip="Visualize Tissot&#x27;s indicatrix on a map.">

.. only:: html

  .. image:: /gallery/lines_and_polygons/images/thumb/sphx_glr_tissot_thumb.png
    :alt:

  :ref:`sphx_glr_gallery_lines_and_polygons_tissot.py`

.. raw:: html

      <div class="sphx-glr-thumbnail-title">Tissot's Indicatrix</div>
    </div>


.. raw:: html

    </div>


.. toctree::
   :hidden:

   /gallery/lines_and_polygons/always_circular_stereo
   /gallery/lines_and_polygons/feature_creation
   /gallery/lines_and_polygons/features
   /gallery/lines_and_polygons/global_map
   /gallery/lines_and_polygons/hurricane_katrina
   /gallery/lines_and_polygons/nightshade
   /gallery/lines_and_polygons/ocean_bathymetry
   /gallery/lines_and_polygons/rotated_pole
   /gallery/lines_and_polygons/effects_of_the_ellipse
   /gallery/lines_and_polygons/tissot